Table 2 Comparison of the specific capacitance values for LiCoO2 and LiCoO1.6(F0.8Cl0.2)0.4 electrodes with those previously reported.
From: Anion engineering in lithium cobalt oxide for application in high-performance supercapacitors
Electrodes | Cs (F g−1) at (2A g−1) | Electrolyte | Potential window (V) | Reference electrode | capacitance retention | Cycles-Current density (A g−1) | References |
---|---|---|---|---|---|---|---|
LiCoO2 | 129.06 | KOH 2 M | 0–0.6 | Ag/AgCl | 91.42 | 2000–1 | This study |
LiCoO1.6(F0.8Cl0.2)0.4 | 503.3 | KOH 2 M | 0–0.6 | Ag/AgCl | 93.6 | 2000–1 | This study |
LiCoO2-CP | 477.8 | LiCl-PVA 5.8 M | 0–0.9 | Ag/AgCl | 83.9 | 2000–6 | |
LiCoO2 | 657 | KOH 2 M | 0-.07 | Hg/HgO | 96.8 | 2000–1 | |
Co3O4 | 375 | KOH 5 M | 0–0.4 | Ag/AgCl | 96 | 5000–1 | |
Co3O4/Graphene | 955.6 | KOH 2 M | 0.05–0.45 | Ag/AgCl | 93.7 | 20,000–10 | |
CDP-PANI/CNT | ~ 87.4 | H2SO4 1M | − 0.2–0.8 | – | 97 | 5000–5 | |
MnO2/Carbon-CNTs | ~ 460.38 | KOH 2M | -0.25–0.55 | – | 90 | 5000–10 | |
Co3O4–NiO hybrids | ~ 740 | KOH 2M | – | – | 94.2 | 5000–5 |